198920160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{138139}}^1$

素因数の和:138160

約数の個数: 72

約数和(自身を含む): 678819960

約数和(自身を除く): 479899800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 138139, 276278, 414417, 552556, 690695, 828834, 1105112, 1243251, 1381390, 1657668, 2072085, 2210224, 2486502, 2762780, 3315336, 4144170, 4420448, 4973004, 5525560, 6216255, 6630672, 8288340, 9946008, 11051120, 12432510, 13261344, 16576680, 19892016, 22102240, 24865020, 33153360, 39784032, 49730040, 66306720, 99460080, 198920160]

約数ペア:

[(1, 198920160), (2, 99460080), (3, 66306720), (4, 49730040), (5, 39784032), (6, 33153360), (8, 24865020), (9, 22102240), (10, 19892016), (12, 16576680), (15, 13261344), (16, 12432510), (18, 11051120), (20, 9946008), (24, 8288340), (30, 6630672), (32, 6216255), (36, 5525560), (40, 4973004), (45, 4420448), (48, 4144170), (60, 3315336), (72, 2762780), (80, 2486502), (90, 2210224), (96, 2072085), (120, 1657668), (144, 1381390), (160, 1243251), (180, 1105112), (240, 828834), (288, 690695), (360, 552556), (480, 414417), (720, 276278), (1440, 138139)]